Cephalotes atratus

tags: researchblogging.org, neotropical ants, Cephalotes atratus, parasitic nematodes, Myrmeconema neotropicum, tetradonematid nematode, evolution, coevolution, fruit mimicry A neotropical black ant, Cephalotes atratus, infected with the newly described parasitic nematode, Myrmeconema neotropicum. The ant's infected and swollen abdomen does not actually take on a red pigment. It becomes a translucent amber. With the yellowish parasite eggs inside and a touch of sunlight, it appears bright red. Image: Steve Yanoviak, University of Arkansas. In the first known example of a parasite…